Chp. 2 Performing Scientific Investigations

Question 1

Scientific Theory

Answer 1

A tested and accepted explanation if why things happen

Question 2

what are the first 3 scientific methods?

Answer 2

1. Question
2. Hypothesis
3. Experiment

Question 3

What are the last 3 scientific methods?

Answer 3

4. Observation
5. Analysis
6. Conclusion

Question 4

scientific theories

Answer 4

provides an explanation on why things happen.

Question 5

scientific law

Answer 5

an observation of what will happen in a given situation.

Question 6

independent variables

Answer 6

the variable that is manipulated during the experiment

Question 6

hypotheses

Answer 6

proposed explanations for scientific observations

Question 6

observations

Answer 6

sensory experiences that lead to asking questions about natural phenomena.

Question 7

dependent variable

Answer 7

the variable that is affected during the experiment

Question 8

In order for a scientist’s work to be accepted, other scientists must be able to _____ the experiment.

Answer 8

repeat

Question 9

Which of the following is viewed as scientific fact without any exceptions?

Answer 9

Law

Question 10

A controlled experiment tests how many variables at one time?

Answer 10

One

Question 11

Which of the following summarizes an accepted hypothesis tested by many scientists?

Answer 11

Theory

Question 12

An experiment should show that a hypothesis is either _____.

Answer 12

supported or not supported

Question 13

observational research

Answer 13

A type of research method that records observations of phenomena

Question 13

correlational research

Answer 13

A research method that examines statistical relationships between variables

Question 14

Experimental Research

Answer 14

Research that provides strong evidence for cause and effect